Hypromellose (HPMC) ke sesebelisoa se sebelisoang haholo indastering ea meriana ea meriana ka lebaka la thepa ea eona e ntle e sebetsang le biocotemiatic e ntle. Libaka tsa eona tsa bohlokoa tsa kopo li kenyelletsa mangoane a matla a matla, ho senyeha, lisebelisoa tse koaetsoeng, le ho hlophisoa ha lithethefatsi tse metsi le li-gel.
1. BInders
Tlhahiso ea tafole, HPMC ha eba e tla ntlafatsa matla a kopanyang a lithethefatsi, a li nolofalletsa ho theha matlapa a tsitsitseng nakong ea litafole. BPMC Binder e na le melemo e latelang:
Ntlafatsa matla a mochini: Network ea Viscous e thehiloeng ke HPMC Letlapeng le thusa ho ntlafatsa matla a ho phatloha letlaka le ho senya koluoa.
Ntlafatsa ntho e sa tšoanelehang: Ka lebaka la litsie tsa eona tse ntle ka metsing, HPMC li ka tsamaisoa ka mokhoa o hlakileng holim 'a likaroloana ho netefatsa dikahare tsa lithethefatsi tse tatleng e ngoe le e ngoe.
Ho tsitsipana: HPMC e bonts'a botsitso bo botle tlas'a maemo a mocheso le a mongobo, mme a ka boloka sebopeho sa letlapa ha se tšoaetsoe litšusumetsong tsa tikoloho.
2. Khethollo
Ts'ebetso ea lifofane ke ho etsa litafole tse fetohang kapele kamora ho kopana le metsi ho lokolla metsoako ea lithethefatsi. HPMC e ka khothaletsa ho senyeha ha letlapa ka lebaka la thepa ea eona e hulang.
Hydration Running Re: Ha HPMC e kopana le metsi, e tla monya metsi le rururi kapele, ka letho le phepelo ea lithethefatsi.
Ho fetola nako ea ho felloa ke nako: ka ho fetola pono ea HPMC, nako ea matlapi ea matlapa e ka laoloa ka nepo ho sebetsana le litlhoko tse fapaneng tsa lithethefatsi tse fapaneng.
3. Lisebelisoa tsa koae
HPMC e bapala karolo ea bohlokoa e koahelang letlapeng. Bokhoni ba eona bo botle ba filimi le ts'ireletso ea ho etsa litšoantšo tsa lithethefatsi e etsa hore ke lintho tse bonahalang tse loketseng:
Phello ea ho itšehla thajana: Hooa hoa HPMC ho ka senya metsoako e mafolofolo ka letlapa sebakeng sa kantle ho thibela ho qetehela ka boomo, oxidation le Photolysis.
Ho Ncha Ponahalo: HPMC Coating e ka u fa ponahalo e boreleli e ntle, ho ntlafatsa ponahalo le boiketlo ba metsamao.
Ho fetolela ha lithethefatsi: Ka liforomo tse fapaneng tsa HPMC le liteishene tsa koae, ho lokolloa ho laoloang kapa ho lokolloa ho bolokiloeng ho ka fihlella.
4. Basebeletsi ba lokollotsoeng
HPMC e sebelisoa haholo litokisetsong tse lokollotsoeng. Ka ho kuta moriri oa gel o bopa, e ka lieha ho lokolloa ha lithethefatsi 'me ea fihlela kalafo ea nako e telele:
Gel Barrier: Media ea senyeha, HPMC e qhibiliha le ho etsa seriti sa viscous, se ka laolang sekhahla sa ho lokolla sethethefatsi.
Tokollo e tsitsitseng: Lipatlisiso le khatello ea HPMC li ka laoloa hantle ho fihlela tokollo e tsitsitseng ea lithethefatsi le tse boletsoeng esale pele.
Ho fokotsa meriana khafetsa: Liforomo tsa dosage tsa ho lokolloa - li ka fokotsa maqhubu a meriana bakeng sa kalafo ea bakuli le ho ntlafatsa ts'ebetso ea kalafo le katleho ea kalafo ea lithethefatsi.
5. Litokisetso tsa metsi le li-gels
HPMC e phetha karolo ea bohlokoa joaloka thipa le ho hlonepha ka litokisetso tsa metsi le lireteng:
Liphello tsa Thickening: HPMC e etsa tharollo ea colloidal ka metsing, e ka eketsang pono ea litokisetso tsa metsi le ho ntlafatsa tsitsi e khutsitseng.
Sephetho sa ho tsitsisa: HPMC e ka boloka pono e tsitsitseng tlasa maemo a lingaka tsa pH, a thusang ho tsitsisa metsoako ea lithethefatsi le ho thibela metsoako le stratifitation le strecition le strecition.
6. Likopo tse ling
HPMC e sebelisoa hape ho lokisa litokisetso tsa Opphlgamic, litokisetso tsa nasal le litokisetso tsa kopo ea sehlooho:
Litokisetso tsa Opphlhamic: HPMC e sebelisoa e le li-anks meokho ea maiketsetso le mahlo a mahlo ho imolla matšoao a mahlo.
Litokisetso tsa nasal: Joalokaha thickener ka spuys, HPMC e ka lelefatsa nako ea ho ba lithethefatsi ntlong ea tlhaho.
Litokisetso tsa Tokomane: HPMC e ka theha filimi e sirelletsang litokisetso tsa holimo ho thusa ho thusa lithethefatsi ho otlolla letlalo.
Joaloka hydroxypropyly Methylcelulolese e sebelisoa haholo indastering ea meriana. Mesebetsi ea eona e mengata ea matlapeng, litokisetso, litokisetso tsa ho lokolla, litokisetso tsa metsi li ile tsa matlafatsa matla boleng le botsitso ba litokisetso tsa lithethefatsi. HPMC e fetohile boitsebiso bo sa tsotelleng le bo bohlokoa indastering ea meriana e ntle ka lebaka la thepa ea eona e ntle le e sebetsang. Nakong e tlang, ka nts'etsopele e tsoelang pele ea theknoloji ea Phame, menyetla ea ts'ebetso ea HPMC e tla ba phathisang lithethefatsi.
Poso: Hlakubele-17-2025